import java.util.concurrent.atomic.AtomicInteger;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-04-13
 * Time: 20:02
 */
public class Demo1 {
    private static AtomicInteger count= new AtomicInteger(0);
    //count初始化为0;
    public static void main(String[] args) {

        Thread t1=new Thread(()->{
            for (int i = 0; i <50000 ; i++) {
               // count.getAndIncrement();//==count++:
                count.incrementAndGet();//==++count
              //  count.decrementAndGet();//==--count;
//                count.getAndDecrement();//==count--
//                count.getAndAdd(2);//count+=2
            }


        });
        Thread t2=new Thread(()->{
            for (int i = 0; i <50000 ; i++) {
                count.getAndIncrement();//==count++:
            }
        });
        t1.start();
        t2.start();
        try{
            t1.join();
            t2.join();
        }catch(InterruptedException e){
            e.printStackTrace();
        }
        System.out.println("count = "+count);


    }
}
